Not sure if you guys remember but I misplaced the original Thermostat after we found one at Autozone that
seemed to work or at least seal up the housing. Apparently I went to the autoparts store in the Cayman and
I must have put it in the Frunk (front trunk)).
I crossed reference the part number that was on it and the water pump is from an Escalade.
What I need to do now is create a spec sheet for everything and every aftermarket part in this car.